> Hi Guys, > > A quick question: is it possible to enable AVX2/AVX3 in PHP JIT generated > code, and hence can get some performance improvement? > Just check the community first: if anyone has already tried that or got > some experiences? before we dive into this investigation. > We are discussing if we could get some extra performance via new AVX > instructions in PHP program execution. > > Thanks. >
AVX3 might be too new to just flat out generate for it. But It can be quite simple for the JIT compiler to be aware of what features flags are enabled on a CPU and generate compatible instructions that will run on that CPU.
